He thinks he is good looking and smart and that any girl would be lucky to have him choose her to be his girlfriend. he knows that all girls are attracted to him. brandon's example illustrates:

He is a narcissist. P.S This guy sounds terrible I hope this isn't someone you actually know.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

b is the best answer for this question.